Roseville, IL Weather & Growing Conditions
Tonight
69°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 3am. Mostly cloudy. Low around 69, with temperatures rising to around 71 overnight. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 24% |
| Saturday | 86°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph S | 21% |
| Saturday Night | 66°F | Mostly Cloudy then Showers And Thunderstorms Likely | 0 to 5 mph NW | 72% |
| Sunday | 75°F | Rain Showers Likely | 5 to 10 mph N | 72% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 67% |
| Monday | 65°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 67% |
| Monday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 49% |
| Tuesday | 63°F | Chance Rain Showers | 10 mph NE | 30% |
| Tuesday Night | 49°F | Mostly Cloudy | 5 to 10 mph NE | 5% |
| Wednesday | 67°F | Mostly Sunny | 5 mph NE | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 68°F | Partly Sunny | 0 to 5 mph NE | 4% |
| Thursday Night | 54°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Roseville, IL
Last spring frost
Apr 22
First fall frost
Oct 19
Growing season
177 days
Hardiness zone
5b
Explore more for Roseville, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Avon, Il (11.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.